Table C1 (cont'd).
Surface area loss
Elevation
Surface area (acres)
500,000
(acres)
(ft above
1953
1985
1993
acre-ft-loss
1953 to
1985 to
MSL)
(survey) (survey) (Landsat)
scenario
1993
1993
Notes
582
9,890
9,945
8,861
7,559
1,029
1,084
584
10,600
10,777
9,542
8,140
1,058
1,235
586
11,400
11,641
10,255
8,748
1,145
1,386
588
12,300
12,538
11,001
9,385
1,299
1,537
590
13,100
13,435
11,747
10,021
1,353
1,688
592
13,900
14,266
12,427
10,601
1,473
1,839
594
14,700
15,097
13,108
11,181
1,592
1,989
594.65
14,960
15,367
13,328
11,369
1,632
2,039
1 Oct 93
596
15,500
15,934
13,910
11,866
1,590
2,024
598
16,300
16,778
14,775
12,604
1,525
2,003
600
17,100
17,622
15,641
13,342
1,459
1,981
602
18,300
18,413
16,453
14,035
1,847
1,960
604
19,400
19,204
17,265
14,728
2,135
1,939
604.88
19,840
19,552
17,623
15,033
2,217
1,929
30 August 93
606
20,400
20,101
18,180
15,508
2,220
1,921
608
21,200
21,102
19,195
16,374
2,005
1,907
610
22,100
22,104
20,211
17,241
1,889
1,893
612
23,200
23,162
21,283
18,155
1,917
1,879
612.32
23,376
23,332
21,455
18,302
1,921
1,877
29 July 93
614
24,300
24,221
22,351
19,067
1,949
1,870
616
25,300
25,280
23,418
19,977
1,882
1,862
618
26,400
26,341
24,488
20,889
1,912
1,853
620
27,400
27,401
25,556
21,801
1,844
1,845
620.61
27,736
27,730
25,888
22,084
1,847
1,842
27 June 93
622
28,500
28,481
26,723
22,796
1,777
1,758
624
29,600
29,560
27,923
23,820
1,677
1,637
626
30,700
30,643
29,128
24,847
1,572
1,515
628
31,800
31,729
30,335
25,877
1,465
1,394
630
32,800
32,815
31,542
26,907
1,258
1,273
631.06
33,489
33,512
32,303
27,556
1,186
1,208
26 May 93
632
34,100
34,129
32,890
28,057
1,210
1,239
634
35,300
35,443
34,138
29,122
1,162
1,305
636
36,600
36,759
35,388
30,188
1,212
1,371
637.75
37,825
37,913
36,485
31,123
1,340
1,428
10 May 93
638
38,000
38,078
36,662
31,274
1,338
1,416
640
39,400
39,397
38,075
32,479
1,325
1,322
642
40,500
40,658
39,429
33,635
1,071
1,229
644
41,600
41,919
40,784
34,791
816
1,135
644.22
41,732
42,059
40,934
34,919
798
1,124
24 April 93
646
42,800
43,181
42,074
35,891
726
1,107
648
44,300
44,444
43,357
36,985
943
1,087
650
45,700
45,706
44,638
38,079
1,062
1,068
651.68
46,792
46,846
45,795
39,066
997
1,051
8 April 93
652
47,000
47,064
46,051
39,283
949
1,013
654
48,300
48,421
47,644
40,643
656
777
655.24
49,106
49,263
48,633
41,486
473
630
31 March 93
656
49,600
49,781
49,087
41,874
513
694
658
51,100
51,142
50,281
42,892
819
861
660
52,500
52,504
51,475
43,911
1,025
1,029
661
53,200
53,213
52,101
44,444
1,099
1,112
spillway
662
53,900
53,922
52,726
44,978
1,174
1,196
664
55,300
55,341
53,978
46,045
1,322
1,363
665.86
56,602
56,660
55,141
47,038
1,461
1,519
7 March 93
666
56,700
56,759
40
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